High Capacity 3.8V 603779 2700mAh Lithium Polymer Battery
Customizable high-capacity lithium polymer battery designed for reliable performance in various applications.
| Specification |
Details |
| Model |
HZ603779 |
| Warranty |
12 Month |
| Std Continuous Working Current |
0.2C |
| Max Continuous Discharge Current |
1.0C |
| Charging Voltage |
4.35V |
| OEM & ODM |
Accept |
| Cell Size |
6.0*37*79mm |
| Type |
Lithium Polymer Battery |
| PCB Protection (Optional) |
Over-charge, over-discharge, short-circuit, over-temperature protection |
| Wires and Connector |
Customized |
| Certification |
ISO9001/ISO14001 |
| Sample |
Support free samples |
Product Applications
Ideal for media speakers, digital products, cameras, smart wearable devices, and various electronic applications.
Customer Recognition
Trusted by industry-leading companies in media speakers, digital products, cameras, and smart wearable industries.
Our dedicated business, engineering, production, quality, and merchandising teams work collaboratively to ensure exceptional battery performance and service.
Shipping & Delivery Options
Flexible shipping solutions to meet your timeline and budget requirements:
- HK UPS: 4-6 days delivery
- Air Cargo: 7-10 days delivery
- Sea Shipment: Approximately 1 month delivery
With 10 years of experience and trustworthy forwarder partners, we ensure reliable and efficient shipment arrangements.

Frequently Asked Questions
Warranty & Samples
Q: How about the warranty of LiPo and Li-ion batteries?
A: Warranty for lithium ion polymer batteries is 1 year.
Q: Do you have current samples in stock?
A: We typically stock battery cells. Custom battery packs are assembled based on specific requirements and can be completed quickly after order confirmation.
Q: Can I place a sample order?
A: Yes, we welcome sample orders for quality testing. Customization and OEM/ODM services are available.
Production & Certification
Q: What's the delivery time for mass production?
A: Typically 25-30 days, depending on quantity, materials, and battery cell model. Delivery times are confirmed case by case.
Q: What kind of certificates can you provide?
A: For standard 3.7V LiPo batteries, we have multiple certifications. For custom designs, we can apply for CE, UL, UN38.3 and other certificates with applicable fees.
Quality & Environmental Standards
Q: What is your quality control process?
A: We are ISO9001 certified and follow strict procedures with 100% inspection before delivery.
Q: What is your environmental control process?
A: We meet ISO14001 environmental standards for sustainable manufacturing practices.
